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o-na [289]
3 years ago
12

Log base 3 of 81 multiplied by log base 2 of 16

Mathematics
1 answer:
coldgirl [10]3 years ago
4 0
\log_381\cdot\log_216=4\cdot4=16

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Simplify 22 – 5(2x + 4).
Georgia [21]

Answer:

-10x+2

Step-by-step explanation:

22-5(2x+4)

22-10x-20

2-10x

-10x+2

4 0
3 years ago
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How to find all real solutions
AlladinOne [14]
\bf \sqrt{\sqrt{x-5}+x}=5\leftarrow \textit{squaring both sides}
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\sqrt{x-5}+x=25\implies \sqrt{x-5}=25-x\leftarrow \textit{squaring both sides}
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x-5=(25-x)^2\implies x-5=625-50x+x^2
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0=x^2-51x+630\implies 0=(x-30)(x-21)

and surely you'd know what the roots are

7 0
3 years ago
What is the solution to the system of two equations shown?
Nadya [2.5K]

The solution of the given system of equation is x = -3 and y = 4 respectively.      

<h3>What is a system of linear equations?</h3>

A system of linear equations can be defined as a number of equations needed to solve the equations. For n number of variables n number of equations are required.

The given system of equations is as,

y = 4x + 16                   (1)

y = −2x − 2                  (2)

In order to solve them, substitute equation (2) into (1) as follows,

4x + 16 = −2x − 2

=> 4x + 2x = -2 - 16

=> 6x = -18

=> x  = -3

Then, y = -2 × -3 - 2 = 4

Hence, the solution of the given system of equation is x = -3 and y = 4.  

To know more about system of equations click on,

brainly.com/question/24065247

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6 0
1 year ago
Roxie is a show dog her trainer wants her to have a beautiful and brilliant coat. The veterinarian suggested a special diet for
oksano4ka [1.4K]

Answer:  the answers are below

Step-by-step explanation:

1 meal = 2/3 of a can of wet dog food, 1/8 of a bag of dry dog food, and 3/5 a patty of special meat

Food for 1 day: 2 meals = 2(2/3) = 4/3 of a can of wet dog food, 2(1/8) = 1/4 of a bag of dry dog food, and 2(3/5) = 6/5 a patty of special meat

The trainer goes to the store and buys 24 cans of wet food, 4 bags of dry food and 3 packages of meat (3*6 = 18 patties)

He has:

there is wet food for: 24/(4/3) = 24*3/4 = 18 days

there is dry food for: 4/(1/4) = 4*4 = 16 days

there is special meat food for: 18/(6/5) = 18*5/6 = 15 days

since the minimum for 15, 16 and 18 is 15 the dog will have food for 15 days and first he will run out of special meat.

5 0
3 years ago
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The table shows the heights in feet of serval students in Mrs.Patels class.
Margarita [4]
I will need a picture of the table first <span />
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